This is usually caused by a corrupted installation. Use the steps outlined in the uninstall section above to completely wipe the driver, then download a fresh copy of the installer and reinstall it. 2. Blue Screen of Death (BSOD) After Driver Update

If you see "GX-CHIP" with a yellow exclamation mark in Windows Device Manager , it means the system recognizes the hardware but lacks the communication protocol:

For industrial users, a missing or corrupted GX chip driver can mean the difference between a production line running at 99.9% uptime and a catastrophic halt.

Upon reboot, press 7 or F7 to select . Install the legacy driver immediately. Best Practices for Driver Maintenance